VIDEO: Former NFL Doctor Explains What Happened to JJ Watt

(AP Photo/Wade Payne)

With the news coming out late Wednesday night that Arizona Cardinals star defensive lineman JJ Watt is facing season-ending shoulder surgery, here’s a comprehensive video breakdown from former NFL doctor Dr David J. Chao on how Watt suffered the injury and how he tried valiantly to play through the injury in Sunday’s win over the Houston Texans.